| Date Filed | Type | Description |
| 08/09/2023 |
10-K/A
| Annual Report for the period ended December 31, 2022 [amend] |
| 03/01/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 02/28/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
| 03/12/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 03/16/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 03/18/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 04/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 06/29/2017 |
10-K
| Annual Report for the period ended March 31, 2017 |
| 06/29/2016 |
10-K
| Annual Report for the period ended March 31, 2016 |
| 07/29/2015 |
10-K/A
| Annual Report for the period ended March 31, 2015 [amend] |
| 07/14/2015 |
10-K
| Annual Report for the period ended March 31, 2015 |
| 05/08/2014 |
10-K
| Annual Report for the period ended January 31, 2014 |
| 05/01/2013 |
10-K
| Annual Report for the period ended January 31, 2013 |
| 05/15/2012 |
10-K
| Annual Report for the period ended January 31, 2012 |
| 04/09/2012 |
10-K/A
| Annual Report for the period ended January 31, 2011 [amend] |
| 03/27/2012 |
10-K/A
| Annual Report for the period ended January 31, 2011 [amend] |
| 05/16/2011 |
10-K
| Annual Report for the period ended January 31, 2011 |
| 05/14/2010 |
10-K
| Annual Report for the period ended January 31, 2010 |
| 05/18/2009 |
10-K
| Annual Report for the period ended January 31, 2009 |